EXAMPLE (Tutorial D) : Define type:
{"Image DocumentName": "EXAMPLE (Tutorial D) : Define type:", "Image ImageDescription": "TYPE POINT ... /  geometric points in 2D space  / ; Define op REFLECT that, given point (x,y), returns inverse. point (-x,-y): OPERATOR REFLECT ( P POINT ) RETURNS POINT ; RETURN POINT ( - THE_X ( P ) , - THE_Y ( P ) ) ; /  POINT selector invocation ... takes two  / /  arguments (unlike SNO selector earlier)  / END OPERATOR ;", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}